views plugin directory missing from datetime_range module

That is just, untrue:

git ls-files  origin/9.3.x core/modules/datetime_range/src/Plugin
core/modules/datetime_range/src/Plugin/Field/FieldFormatter/DateRangeCustomFormatter.php
core/modules/datetime_range/src/Plugin/Field/FieldFormatter/DateRangeDefaultFormatter.php
core/modules/datetime_range/src/Plugin/Field/FieldFormatter/DateRangePlainFormatter.php
core/modules/datetime_range/src/Plugin/Field/FieldType/DateRangeFieldItemList.php
core/modules/datetime_range/src/Plugin/Field/FieldType/DateRangeItem.php
core/modules/datetime_range/src/Plugin/Field/FieldWidget/DateRangeDatelistWidget.php
core/modules/datetime_range/src/Plugin/Field/FieldWidget/DateRangeDefaultWidget.php
core/modules/datetime_range/src/Plugin/Field/FieldWidget/DateRangeWidgetBase.php

"views", lowercased, isn't even Drupal's coding standard for a namespace name. That site had some additional custom code or a patch. Drupal does not remove code units in minor releases or bug fixes.

hi thanks for the information. attached is the image of the content, does anyone what patch may have added these files?

It's probably ✨ Create views filter plugin for date range fields Needs work . To be maintainable hat site should be set up with composer-patches so that you know that patches that are installed.

fixed by adding these two patches
"#2924061: Create views plugins for date range fields": " https://www.drupal.org/files/issues/2019-04-15/2924061-14.patch → ",
"#2898635: [PP-1] bundleFieldDefinitions() are not added in EntityViewsData": " https://www.drupal.org/files/issues/2020-01-16/2898635-28.patch → "